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| Jepson Herbarium | |||||
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| Jepson eFlora
Key to families | Table of families and genera
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1. Calyx ± 2(3) mm; leaf blade abruptly narrowed to petiole ..... A. filiformis
1' Calyx (2.5)3–6 mm; leaf blade tapered to petiole
2. Involucre bracts lance-linear to lanceolate, generally < 0.5 mm wide; corolla >= calyx; 2700–3600 m ..... A. septentrionalis
2' Involucre bracts lanceolate to ovate, < 1.7 mm wide; corolla < calyx; < 1700 m
3. Calyx lobes awl-like, tips acute, stiff; peduncles 1–several ..... A. elongata subsp. acuta
3' Calyx lobes widely lanceolate to deltate, tips acute to obtuse, not stiff; peduncles generally 1 ..... A. occidentalis
Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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